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12122200010212 = 2217178267647209
BaseRepresentation
bin1011000001100110101101…
…1011001110110111100100
31120220212111221221210221121
42300121223123032313210
53042102231200311322
641440510052223324
72360541262655605
oct260315333166744
946825457853847
1012122200010212
113953aa5976186
12143944430ab44
1369c170610136
142dca091a5dac
151604d60e5ec7
hexb066b6cede4

12122200010212 has 12 divisors (see below), whose sum is σ = 22461723548460. Its totient is φ = 5704564710656.

The previous prime is 12122200010159. The next prime is 12122200010231. The reversal of 12122200010212 is 21201000222121.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5421847052196 + 6700352958016 = 2328486^2 + 2588504^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89133823537 + ... + 89133823672.

It is an arithmetic number, because the mean of its divisors is an integer number (1871810295705).

Almost surely, 212122200010212 is an apocalyptic number.

It is an amenable number.

12122200010212 is a deficient number, since it is larger than the sum of its proper divisors (10339523538248).

12122200010212 is a wasteful number, since it uses less digits than its factorization.

12122200010212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178267647230 (or 178267647228 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12122200010212 its reverse (21201000222121), we get a palindrome (33323200232333).

The spelling of 12122200010212 in words is "twelve trillion, one hundred twenty-two billion, two hundred million, ten thousand, two hundred twelve".

Divisors: 1 2 4 17 34 68 178267647209 356535294418 713070588836 3030550002553 6061100005106 12122200010212